# MultisigOperation Errors

## `MultisigOperation.InvalidApprovalError`

Thrown when a multisig owner approval is invalid.

**Source:** [src/tempo/MultisigOperation.ts](https://github.com/wevm/ox/blob/main/src/tempo/MultisigOperation.ts#L1181)

## `MultisigOperation.InvalidOperationError`

Thrown when a multisig operation is malformed or internally inconsistent.

**Source:** [src/tempo/MultisigOperation.ts](https://github.com/wevm/ox/blob/main/src/tempo/MultisigOperation.ts#L1219)